NAME
	UnlockRexxBase - Release a semaphore lock on the RexxBase structure

    SYNOPSIS
	UnlockRexxBase(resource)
	               D0

	VOID UnlockRexxBase(ULONG);

    FUNCTION
	Releases the specified resource in the ARexx library base.

    INPUTS
	resource - A manifest constant defining which resource to unlock.
	           This value *MUST* match the value used in the matching
	           LockRexxBase() call.

    NOTES
	Currently, only ZERO resource type is available.  You *MUST* make
	sure that you do not call this function with an undefined value
	as it may become defined at some future date and cause unwanted
	behavior.  You *MUST* make sure that you only call this function
	after a matching call to LockRexxBase() was made.

    SEE ALSO
	LockRexxBase()

    BUGS